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Thread: hd trailer package problem
06-12-2010, 11:48 AM #1
hd trailer package problem
Ok, 07 sierra classic which i have had for about 8 months which has the trailer package. bought a 17ft expandable travel trailer. the electronic brake control light is always on even without the trailer hooked up. so there is a problem with either the brake control unit or the trailer package.
my question is how hard is it to diagnose the problem and what should i use to diagnose the problem?
any insight?07 Sierra Classic, 5.3L, 4X4, Crew Cab
06-12-2010, 05:38 PM #2
Disconnect the harness to the trailer plug and see if it goes out. What kind of controller is it?When you hear hoofbeats, look for horses not zebras.
06-13-2010, 08:52 AM #3
06-13-2010, 09:12 AM #4
If the light is on, there is a load on the controller. Could be corrosion in the trailer plug, or a bent pin.
I hated my Voyager. Seemed like it was on or off.
06-14-2010, 09:29 AM #5
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